Gotta do pushrod tube seals, any gotchas? |
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Gotta do pushrod tube seals, any gotchas? |
underthetire |
Mar 1 2010, 08:07 PM
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#1
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914 Guru Group: Members Posts: 5,062 Joined: 7-October 08 From: Brentwood Member No.: 9,623 Region Association: Northern California |
Well, my little drip turned in to aunt flow after installing the header. I'm sure I must have moved a tube or two by my careful installation (IMG:style_emoticons/default/smash.gif) .
looks pretty easy to change these. Any gotchas ? And what sealant if any is the preferred. |
IronHillRestorations |
Mar 3 2010, 09:41 AM
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#2
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I. I. R. C. Group: Members Posts: 6,731 Joined: 18-March 03 From: West TN Member No.: 439 Region Association: None |
Look for lateral grooves, scores, scratches, or gouges in the PRT bores. If you have deep ugly gouges or grooves you may have a permanent leaker.
Jake Raby uses and recommends coating the push rod tube seals with a Locktite sealant that also acts like a lubricant when installing. I've used it on one engine with no leaks. Can't remember off the top of my head what the locktite product number is, sorry. |
Porsche Rescue |
Mar 3 2010, 10:04 AM
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#3
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Saving and Enjoying Old Porsches Group: Members Posts: 2,978 Joined: 31-December 02 From: Bend, Oregon Member No.: 64 Region Association: None |
I have found that removing and seating the tubes is best done by wrapping a hose clamp, screw down, then tighten it around the tube. Grab the screw with vice grips and use your hand or a hammer on the vice grips. Breaks loose the old tubes and seats the new.
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